Specifications
| RIDGID catalogue number (MPN) | 37438 |
| Model | micro HM-100 |
| Measurements | Humidity, temperature, dew point, wet-bulb |
| Humidity range | 0–100% RH |
| Humidity accuracy | ±2% RH |
| Temperature range | −30 °C to 100 °C |
| Temperature accuracy | ±0.5 °C |
| Response time | 30 s |
| Sensor type | Capacitance |
| Display | 4½-digit dual backlit LCD |
| Power source | 9 V battery (included) |
| Data hold | Yes |
| MAX/MIN values | Yes |
| Auto power-off | After 15 minutes (can be disabled) |
| Certifications | CE, FCC |
| EAN / GTIN | 0095691374387 |
| HS tariff code | 9025804089 |
| Country of origin | China |
Part no. 37438
RIDGID 37438 Temp & Humidity Meter
Includes 15% VAT · Price in South African rand
- RIDGID’s published limited warranty — genuine factory stock
- Delivered across South Africa and sub-Saharan Africa
The RIDGID micro HM-100 is a handheld meter for measuring air temperature and relative humidity, and it calculates dew point and wet-bulb temperature for you. It runs on a 9 V battery, which is included.
Key features
- Measures air temperature and relative humidity.
- Calculates dew point and wet-bulb temperature.
- Dual backlit LCD for easy reading.
- Data hold and MAX/MIN recall.
- Auto power-off after 15 minutes, which can be switched off.
Specifications
| RIDGID catalogue number (MPN) | 37438 |
| Model | micro HM-100 |
| Measurements | Humidity, temperature, dew point, wet-bulb |
| Humidity range | 0–100% RH |
| Humidity accuracy | ±2% RH |
| Temperature range | −30 °C to 100 °C |
| Temperature accuracy | ±0.5 °C |
| Response time | 30 s |
| Sensor type | Capacitance |
| Display | 4½-digit dual backlit LCD |
| Power source | 9 V battery (included) |
| Data hold | Yes |
| MAX/MIN values | Yes |
| Auto power-off | After 15 minutes (can be disabled) |
| Certifications | CE, FCC |
| EAN / GTIN | 0095691374387 |
| HS tariff code | 9025804089 |
| Country of origin | China |
Buying from Utilitech
We are the Official RIDGID Importer, so this is genuine factory stock carrying RIDGID’s manufacturer warranty — not grey import. Delivery inside South Africa is calculated at checkout: live courier rates for parcels, or a flat palletised-freight rate for heavy machines. For export orders, courier delivery (including duties and taxes) is shown at checkout; export shipments over 70 kg and export orders over R50,000 are freight-quoted, and nothing is dispatched until you accept the quote. We ship across South Africa and to 49 other African countries.